ACOUSTIC WAVE DEVICE, FILTER AND DUPLEXER

PROBLEM TO BE SOLVED: To provide an acoustic wave device, a filter, and a duplexer capable of suppressing the occurrence of secondary distortion. SOLUTION: An acoustic wave device, a filter and a duplexer include a first resonator S11a having a piezoelectric substance sandwiched between a pair of el...

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Main Authors TANIGUCHI SHINJI, ENDO TAKESHI, UEDA MASANORI, IWAKI KIYOUIKU, NISHIHARA TOKIHIRO, EHATA YASUO
Format Patent
LanguageEnglish
Published 10.04.2008
Subjects
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
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Abstract PROBLEM TO BE SOLVED: To provide an acoustic wave device, a filter, and a duplexer capable of suppressing the occurrence of secondary distortion. SOLUTION: An acoustic wave device, a filter and a duplexer include a first resonator S11a having a piezoelectric substance sandwiched between a pair of electrodes in the direction of an c-axis orientation or a polarization axis, and a second resonator S11b that is connected in series to the first resonator S11a and has the other piezoelectric substance sandwiched by a pair of electrodes so that one of the pairs of electrodes located in the direction of the c-axis orientation or the polarization axis has potential equal to that of one of the pair of electrodes of the first resonator S11a in the direction of the c-axis orientation or the polarization axis. COPYRIGHT: (C)2008,JPO&INPIT
AbstractList PROBLEM TO BE SOLVED: To provide an acoustic wave device, a filter, and a duplexer capable of suppressing the occurrence of secondary distortion. SOLUTION: An acoustic wave device, a filter and a duplexer include a first resonator S11a having a piezoelectric substance sandwiched between a pair of electrodes in the direction of an c-axis orientation or a polarization axis, and a second resonator S11b that is connected in series to the first resonator S11a and has the other piezoelectric substance sandwiched by a pair of electrodes so that one of the pairs of electrodes located in the direction of the c-axis orientation or the polarization axis has potential equal to that of one of the pair of electrodes of the first resonator S11a in the direction of the c-axis orientation or the polarization axis. COPYRIGHT: (C)2008,JPO&INPIT
Author EHATA YASUO
NISHIHARA TOKIHIRO
TANIGUCHI SHINJI
ENDO TAKESHI
UEDA MASANORI
IWAKI KIYOUIKU
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Snippet PROBLEM TO BE SOLVED: To provide an acoustic wave device, a filter, and a duplexer capable of suppressing the occurrence of secondary distortion. SOLUTION: An...
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SubjectTerms BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS
RESONATORS
Title ACOUSTIC WAVE DEVICE, FILTER AND DUPLEXER
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